Base | Representation |
---|---|
bin | 1101000011011110000011… |
… | …00001111001111101110001 |
3 | 10202122022112021022202100122 |
4 | 12201233001201321331301 |
5 | 12230311414403030113 |
6 | 141015331250500025 |
7 | 6021656106166100 |
oct | 641570141717561 |
9 | 122568467282318 |
10 | 28706513330033 |
11 | 9168400441150 |
12 | 3277621294615 |
13 | 1303021882166 |
14 | 71358cc76037 |
15 | 34bac7ad9408 |
hex | 1a1bc1879f71 |
28706513330033 has 48 divisors (see below), whose sum is σ = 36500171254848. Its totient is φ = 22325054976000.
The previous prime is 28706513329981. The next prime is 28706513330059. The reversal of 28706513330033 is 33003331560782.
It is not a de Polignac number, because 28706513330033 - 222 = 28706509135729 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28706513330633) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2167995293 + ... + 2168008533.
It is an arithmetic number, because the mean of its divisors is an integer number (760420234476).
Almost surely, 228706513330033 is an apocalyptic number.
It is an amenable number.
28706513330033 is a deficient number, since it is larger than the sum of its proper divisors (7793657924815).
28706513330033 is a wasteful number, since it uses less digits than its factorization.
28706513330033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20814 (or 20807 counting only the distinct ones).
The product of its (nonzero) digits is 816480, while the sum is 44.
The spelling of 28706513330033 in words is "twenty-eight trillion, seven hundred six billion, five hundred thirteen million, three hundred thirty thousand, thirty-three".
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